Average annual temperature is 17.1 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 210 days
Number of rainy days: 155 days
Look at detailed online map of Bethlehem
* Weather data for Bethlehem United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.0 | 24.1 | 25.6 | 27.8 | 31.4 | 37.1 | 37.8 | 38.7 | 36.8 | 32.2 | 26.3 | 18.5 |
| Average daytime temperature (°C) | 12.6 | 14.6 | 17.2 | 21.6 | 27.3 | 32.3 | 33.6 | 33.5 | 30.6 | 24.0 | 16.3 | 13.1 |
| Average temperature (°C) | 7.3 | 8.5 | 11.1 | 15.3 | 21.0 | 25.7 | 27.4 | 27.7 | 24.2 | 18.0 | 10.5 | 7.7 |
| Average night temperature (°C) | 3.2 | 4.1 | 6.1 | 10.1 | 15.3 | 19.9 | 22.3 | 22.6 | 18.7 | 13.3 | 5.7 | 3.6 |
| Absolute minimum temperature (°C) | -5.7 | -5.0 | -4.9 | 4.4 | 5.9 | 15.9 | 17.1 | 16.9 | 13.9 | -1.2 | -2.0 | -3.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 5.9 | 7.8 | 8.8 | 11.0 | 12.5 | 11.3 | 11.2 | 10.6 | 7.9 | 7.9 | 6.9 |
| Precipitation (mm) | 121 | 137 | 200 | 115 | 109 | 43 | 134 | 58 | 24 | 105 | 67 | 49 |
| Sunny days | 18 | 12 | 15 | 16 | 16 | 17 | 12 | 16 | 23 | 21 | 22 | 22 |
| Rainy days | 13 | 16 | 16 | 14 | 15 | 13 | 19 | 15 | 7 | 10 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bethlehem during the most sunny months:
The largest precipitation sum in Bethlehem is at